8110fa1d94
Generated using: $ ./scripts/codeconverter/converter.py -i \ --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]') Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-12-ehabkost@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200831210740.126168-13-ehabkost@redhat.com> Message-Id: <20200831210740.126168-14-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* Microbit stub for Nordic Semiconductor nRF51 SoC Two-Wire Interface
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* http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.1.pdf
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*
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* Copyright 2019 Red Hat, Inc.
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*
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* This code is licensed under the GPL version 2 or later. See
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* the COPYING file in the top-level directory.
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*/
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#ifndef MICROBIT_I2C_H
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#define MICROBIT_I2C_H
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#include "hw/sysbus.h"
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#include "hw/arm/nrf51.h"
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#include "qom/object.h"
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#define NRF51_TWI_TASK_STARTRX 0x000
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#define NRF51_TWI_TASK_STARTTX 0x008
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#define NRF51_TWI_TASK_STOP 0x014
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#define NRF51_TWI_EVENT_STOPPED 0x104
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#define NRF51_TWI_EVENT_RXDREADY 0x108
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#define NRF51_TWI_EVENT_TXDSENT 0x11c
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#define NRF51_TWI_REG_ENABLE 0x500
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#define NRF51_TWI_REG_RXD 0x518
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#define NRF51_TWI_REG_TXD 0x51c
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#define NRF51_TWI_REG_ADDRESS 0x588
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#define TYPE_MICROBIT_I2C "microbit.i2c"
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typedef struct MicrobitI2CState MicrobitI2CState;
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DECLARE_INSTANCE_CHECKER(MicrobitI2CState, MICROBIT_I2C,
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TYPE_MICROBIT_I2C)
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#define MICROBIT_I2C_NREGS (NRF51_PERIPHERAL_SIZE / sizeof(uint32_t))
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struct MicrobitI2CState {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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uint32_t regs[MICROBIT_I2C_NREGS];
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uint32_t read_idx;
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};
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#endif /* MICROBIT_I2C_H */
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